warning: unnecessary parentheses around assigned value
  --> $DIR/suggestions.rs:48:21
   |
48 |         let mut a = (1); // should suggest no `mut`, no parens
   |                     ^^^ help: remove these parentheses
   |
note: lint level defined here
  --> $DIR/suggestions.rs:13:21
   |
13 | #![warn(unused_mut, unused_parens)] // UI tests pass `-A unused`—see Issue #43896
   |                     ^^^^^^^^^^^^^

warning: use of deprecated attribute `no_debug`: the `#[no_debug]` attribute was an experimental feature that has been deprecated due to lack of demand. See https://github.com/rust-lang/rust/issues/29721
  --> $DIR/suggestions.rs:43:1
   |
43 | #[no_debug] // should suggest removal of deprecated attribute
   | ^^^^^^^^^^^ help: remove this attribute
   |
   = note: #[warn(deprecated)] on by default

warning: variable does not need to be mutable
  --> $DIR/suggestions.rs:48:13
   |
48 |         let mut a = (1); // should suggest no `mut`, no parens
   |             ----^
   |             |
   |             help: remove this `mut`
   |
note: lint level defined here
  --> $DIR/suggestions.rs:13:9
   |
13 | #![warn(unused_mut, unused_parens)] // UI tests pass `-A unused`—see Issue #43896
   |         ^^^^^^^^^^

warning: variable does not need to be mutable
  --> $DIR/suggestions.rs:52:13
   |
52 |            let mut
   |   _____________^
   |  |_____________|
   | ||
53 | ||             b = 1;
   | ||____________-^
   |  |____________|
   |               help: remove this `mut`

warning: static is marked #[no_mangle], but not exported
  --> $DIR/suggestions.rs:16:14
   |
16 | #[no_mangle] static SHENZHOU: usize = 1; // should suggest `pub`
   |              -^^^^^^^^^^^^^^^^^^^^^^^^^^
   |              |
   |              help: try making it public: `pub`
   |
   = note: #[warn(private_no_mangle_statics)] on by default

error: const items should never be #[no_mangle]
  --> $DIR/suggestions.rs:18:14
   |
18 | #[no_mangle] const DISCOVERY: usize = 1; // should suggest `pub static` rather than `const`
   |              -----^^^^^^^^^^^^^^^^^^^^^^
   |              |
   |              help: try a static value: `pub static`
   |
   = note: #[deny(no_mangle_const_items)] on by default

warning: functions generic over types must be mangled
  --> $DIR/suggestions.rs:22:1
   |
21 | #[no_mangle] // should suggest removal (generics can't be no-mangle)
   | ------------ help: remove this attribute
22 | pub fn defiant<T>(_t: T) {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: #[warn(no_mangle_generic_items)] on by default

warning: function is marked #[no_mangle], but not exported
  --> $DIR/suggestions.rs:26:1
   |
26 | fn rio_grande() {} // should suggest `pub`
   | -^^^^^^^^^^^^^^^^^
   | |
   | help: try making it public: `pub`
   |
   = note: #[warn(private_no_mangle_fns)] on by default

warning: static is marked #[no_mangle], but not exported
  --> $DIR/suggestions.rs:33:18
   |
33 |     #[no_mangle] pub static DAUNTLESS: bool = true;
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: function is marked #[no_mangle], but not exported
  --> $DIR/suggestions.rs:35:18
   |
35 |     #[no_mangle] pub fn val_jean() {}
   |                  ^^^^^^^^^^^^^^^^^^^^

warning: denote infinite loops with `loop { ... }`
  --> $DIR/suggestions.rs:46:5
   |
46 |     while true { // should suggest `loop`
   |     ^^^^^^^^^^ help: use `loop`
   |
   = note: #[warn(while_true)] on by default

warning: the `warp_factor:` in this pattern is redundant
  --> $DIR/suggestions.rs:57:23
   |
57 |             Equinox { warp_factor: warp_factor } => {} // should suggest shorthand
   |                       ------------^^^^^^^^^^^^
   |                       |
   |                       help: remove this
   |
   = note: #[warn(non_shorthand_field_patterns)] on by default

error: aborting due to previous error